Mission control here.  Due to recent extreme levels of stress, the being known to you as 'Steve' has entered a state of transmogrification, and since his entry into the latest crop circle (here) he hasn't been seen.  He was last observed muttering about splicing temporal DNA/neural patterning with the Avebury architects, and he's gone time travelling.  We are working to get him back, but he's bouncing between the past and the future, thus his transmissions may be a little garbled at this time.  He will return but his currently oscillating time reference may take a few days to home in on us.  We think his current position is on the Giza plateau, about 12,600 years ago - we'll know first thing tomorrow when his portal opens for transmissions.